Home / 147,147.22-203,057.04-86,720.41

Finding the Fourth Proportional to 147,147.22, 203,057.04 and 86,720.41

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Solution

The fourth proportional to 147,147.22, 203,057.04 and 86,720.41 is: 119,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147.22 : 203,057.04 = 86,720.41 : x
  2. Step 2: Convert to fraction form
    147,147.22/203,057.04 = 86,720.41/x
  3. Step 3: Cross multiply
    147,147.22x = 203,057.04 × 86,720.41
  4. Step 4: Simplify right side
    147,147.22x = 17,609,189,762.19
  5. Step 5: Solve for x
    x = 17,609,189,762.19/147,147.22
  6. Step 6: Final answer
    x = 119,670.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.